12439806015

Names of 12439806015

• Cardinal: 12439806015 can be written as Twelve billion, four hundred thirty-nine million, eight hundred six thousand and fifteen.

Scientific notation

• Scientific notation: 1.2439806015 × 10¹⁰

Factors of 12439806015

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 17369

Divisors of 12439806015

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 13 15 17 21 31 35 39 51 65 85 91 93 105 119 155 195 217 221 255 273 357 403 455 465 527 595 651 663 1085 1105 1209 1365 1547 1581 1785 2015 2635 2821 3255 3315 3689 4641 6045 6851 7735 7905 8463 11067 14105 17293 18445 20553 23205 34255 42315 47957 51879 55335 86465 102765 121051 143871 224809 239785 259395 293981 363153 536083 605255 674427 719355 881943 1124045 1469905 1573663 1608249 1815765 2057867 2680415 3372135 3752581 3821753 4409715 4720989 6173601 6969079 7868315 8041245 9113411 10289335 11257743 11465259 18762905 19108765 20907237 23604945 26752271 27340233 30868005 34845395 45567055 48783553 56288715 57326295 63793877 80256813 104536185 118474343 133761355 136701165 146350659 191381631 243917765 318969385 355423029 401284065 592371715 731753295 829320401 956908155 1777115145 2487961203 4146602005 12439806015
• Sum of all divisors σ(n): 26776092672
• Sum of proper divisors (its aliquot sum) s(n): 14336286657
• 12439806015 is an abundant number, because the sum of its proper divisors (14336286657) is greater than itself. Its abundance is 1896480642

Bases of 12439806015

• Binary: 1011100101011110000110000000111111₂
• Hexadecimal: 0x2E578603F
• Base-36: 5PQC7R3

Squares and roots of 12439806015

• 12439806015 squared (12439806015²) is 154748773690830180225
• 12439806015 cubed (12439806015³) is 1925044725773063026306489053375
• The square root of 12439806015 is 111533.8783285151
• The cube root of 12439806015 is 2317.0631446629

Scales and comparisons

• 12,439,806,015 seconds is equal to 395 years, 28 weeks, 3 days, 5 hours, 40 minutes, 15 seconds.
• To count from 1 to 12,439,806,015 would take you about seven hundred ninety-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 12439806015 cubic inches would be around 193.1 feet tall.

Recreational maths with 12439806015

• 12439806015 backwards is 51060893421
• 12439806015 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12439806015's digits is 39
• More coming soon!